Old St. Patrick’s, one of the few buildings to survive the Great Chicago Fire of 1871, is now the oldest public building. The church was founded by Irish immigrants in 1846 as the first English-speaking parish in the City of Chicago.

From its famous and faceless statue perched atop the pyramid roof to the myriad of sculptures, stone carvings and three-story marbled lobby, The Chicago Board of Trade Building is one of the most recognized in the nation.

The Wrigley Building is a Chicago original on the city’s celebrated Magnificent Mile. Except for three years during World War II, the building has been illuminated every night since its completion in 1924.

It takes two men 40 hours to change all the light bulbs in the Crown of Lights on the 99th floor of the
John Hancock Center which houses businesses and residences and offers an observatory on the 94th floor.

The Hilton Chicago, located in the heart of Chicago, brings together classic architecture with a contemporary twist. This iconic hotel located on Michigan Avenue is surrounded but incredible experiences for its guest to enjoy.

Old St. Patrick’s, one of the few buildings to survive the Great Chicago Fire of 1871, is now the oldest public building. The church was founded by Irish immigrants in 1846 as the first English-speaking parish in the City of Chicago.

From its famous and faceless statue perched atop the pyramid roof to the myriad of sculptures, stone carvings and three-story marbled lobby, The Chicago Board of Trade BuildingTM is one of the most recognized in the nation.

The Wrigley Building is a Chicago original on the city’s celebrated Magnificent Mile. Except for three years during World War II, the building has been illuminated every night since its completion in 1924.

It takes two men 40 hours to change all the light bulbs in the Crown of Lights on the 99th floor of the
John Hancock CenterTM which houses businesses and residences and offers an observatory on the 94th floor.

The Hilton Chicago, located in the heart of Chicago, brings together classic architecture with a contemporary twist. This iconic hotel located on Michigan Avenue is surrounded but incredible experiences for its guest to enjoy.

Soldier Field, home to the Chicago Bears, opened in 1924 and is the oldest NFL Stadium. The Chicago Bears official called it home in 1971, and have been there ever since.

A city that dyes its river green, hosts three Irish parades and celebrates St. Patrick’s Day like no other clearly is committed to showcasing its strong Irish influence. No wonder we are the “GREENest City in the World.”

In 2015 ShamROCK Chicago will protect Chicago’s title as the GREENest City in the World with
“Five Days of GREENing Chicago.” From Friday, March 13th through Tuesday, March 17th, iconic buildings,
monuments and streets in the City of Chicago will light up GREEN.
We will also project a video celebration of the GREENing Project and individual
Chicago participants onto the Block Thirty Seven building, which can be viewed nightly
from 7:00-8:00pm from State Street just outside Macy’s.